Cliffs AP Chemistry, 3rd Edition
Practice Test Section I (Multiple-Choice Questions) Time: 90 minutes 75 questions 45% of total grade No calculators allowed This ...
H 1.00797 1 Li 6.939 3 Be 9.0122 Na 22.9898 11 Mg 24.312 12 K 39.102 19 Ca 40.08 20 Rb 85.47 37 Sr 87.62 38 Cs 132.905 55 Ba 137 ...
Practice Test Section I Multiple-Choice Questions Ni 58.71 28 Pd 106.4 46 Pt 195.09 78 Cu 63.546 29 Ag 107.868 47 Au 196.967 79 ...
Which has the lowest ionization energy? Of those elements with negative oxidation states, which has the fewest such states? Whi ...
Questions 4–8 A. SO 2 B. SiH 4 C. CO 2 D. Be 2 E. NO In which of the choices is there polar double bonding in a nonpolar molecu ...
Questions 12–16 Directions:Predict the change in entropy. A. The change in entropy will be positive. B. The change in entropy wi ...
20.Within a period, an increase in atomic number is usually accompanied by A. a decrease in atomic radius and an increase in ele ...
26. d dt B is equal to 6@ A. dt d6@A B. dt d6@C C. dt d 21 6@D D. dt d 51 6@E E. none of these To decrease the rate con ...
32.Calculate the rate constant for the radioactive disintegration of an isotope that has a half-life of 6930 years. A. 1.00 × 10 ...
38.A mining company supplies an ore that is 15.915% chalcocite, Cu 2 S, by weight. How many metric tons of ore should be purchas ...
43.What is the charge of Zn in Zn(H 2 O) 3 (OH)+? A. 0 B. +1 C. +2 D. +3 E. +5 44.A certain organic compound has a vapor pressur ...
49.The value of Kafor lactic acid, HLac, is 1.5 × 10 –5. What is the value ofKbfor the lactate anion, Lac–? A. 1.0 × 10 –14 B. 8 ...
54.An excess of S 8 (s) is heated with a metallic element until the metal reacts completely. All excess sulfur is combusted to a ...
59.According to Raoult’s law, which statement is false? A. The vapor pressure of a solvent over a solution is less than that of ...
Directions:For Questions 63–65, use the following information: 25.0 mL of a sample of vinegar (a solution of HC 2 H 3 O 2 , MW = ...
68.A radioactive isotope has a half-life of 6.93 years and decays by beta emission. Determine the approximate fraction of the sa ...
For the isoelectronic series S2–, Cl–, Ar, K+, and Sc3+, which species requires the least energy to remove an outer electron? ...
Part IV: AP Chemistry Practice Test H 1.00797 1 Li 6.939 3 Be 9.0122 Na 22.9898 11 Mg 24.312 12 K 39.102 19 Ca 40.08 20 Rb 85.47 ...
Practice Test Section II Free-Response Questions Ni 58.71 28 Pd 106.4 46 Pt 195.09 78 Cu 63.546 29 Ag 107.868 47 Au 196.967 79 Z ...
Equations and Constants Atomic Structure ∆Eh c== = =ννmmmvh pmv E = energy p = momentum ν= frequency (Greek nu) v= velocity (Ita ...
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